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ʻO ka mea ho'āʻo kū'ē kū'ē i loko o ka pilahi mea hana kiʻekiʻe
Hoʻohana kēia mea hana i ka chip microcomputer single-crystal kiʻekiʻe i lawe ʻia mai ST Microelectronics, i hui pū me ka American "Microchip" kiʻekiʻe A/D hoʻololi chip ma ke ʻano he kumu hoʻokele ana, a me ka 1.000KHZ AC kūpono i kēia manawa synthesized e ka pae. -Hoʻohana ʻia ka loop loop e like me ke kumu hōʻailona ana e pili ana i ka mea i hoʻāʻo ʻia. Hoʻohana ʻia ka hōʻailona hoʻoheheʻe uila nāwaliwali i hana ʻia e ka amplifier hana kiʻekiʻe, a ʻike ʻia ka waiwai kūʻē kūloko e ka kānana kikohoʻe akamai. ʻO ka hope, hōʻike ʻia ia ma ka LCD dot matrix LCD nui.
Loaʻa i ka mea kani nā pono opololei kiʻekiʻe, koho faila maʻalahi, hoʻokaʻawale polarity, ana wikiwiki a me ke ana ākea.
ʻO Chengdu Heltec Energy Technology Co., Ltd. 
ʻO ka mea hōʻike kūʻē kūʻē i loko
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